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authormarha <marha@users.sourceforge.net>2011-09-20 08:40:57 +0200
committermarha <marha@users.sourceforge.net>2011-09-20 08:40:57 +0200
commit0470a59df89ab453bdbe0fc2f820278cfffdc61c (patch)
tree5482d527c8426219414edc60d3891764ca2b1a20 /mesalib/src/mesa/main/bufferobj.c
parentb2c925e360e2c366526de15b44603f855f94139c (diff)
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libX11 libxtrans mesa git update 20 sep 2011
Diffstat (limited to 'mesalib/src/mesa/main/bufferobj.c')
-rw-r--r--mesalib/src/mesa/main/bufferobj.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/bufferobj.c b/mesalib/src/mesa/main/bufferobj.c
index a30340174..99edb1ade 100644
--- a/mesalib/src/mesa/main/bufferobj.c
+++ b/mesalib/src/mesa/main/bufferobj.c
@@ -1376,6 +1376,17 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
return NULL;
}
+ if (access & ~(GL_MAP_READ_BIT |
+ GL_MAP_WRITE_BIT |
+ GL_MAP_INVALIDATE_RANGE_BIT |
+ GL_MAP_INVALIDATE_BUFFER_BIT |
+ GL_MAP_FLUSH_EXPLICIT_BIT |
+ GL_MAP_UNSYNCHRONIZED_BIT)) {
+ /* generate an error if any undefind bit is set */
+ _mesa_error(ctx, GL_INVALID_VALUE, "glMapBufferRange(access)");
+ return NULL;
+ }
+
if ((access & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)) == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glMapBufferRange(access indicates neither read or write)");